Database Systems Practice Tests
Database Systems Online Tests
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The MCQ A set of one or more attributes that collectively, allow us to identify uniquely a tuple in the relation, is known as: unique key, special key, super key and primary key with "Database Keys" App Download (Free) to study online school courses. Study database keys quiz questions, download Amazon eBook (Free Sample) for applied computer science.
MCQ 1: A set of one or more attributes that collectively, allow us to identify uniquely a tuple in the relation, is known as
MCQ 2: No two tuples in a relation are allowed to have exactly the same value for
MCQ 3: Specifying tuples within a given relation, are expressed in terms of the
MCQ 4: A superkey may contain extraneous
MCQ 5: The values of the attribute values of a tuple must be such that they can uniquely identify the
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